The Hot Zone

Arctic’s carbon reserves in danger

About 50 percent of the world’s organic carbon stored in the soil is locked down in the frigid northern reaches of the Arctic, below an icy permafrost cap and in rich peat lands. If all that carbon were released, atmospheric CO2 concentrations could go up a whopping 660-870 parts per million. Global warming is gradually unlocking these Arctic carbon reserves. In a paper published recently in the Journal of Geophysical Research, University of Alaska, Fairbanks geophysicist Guido Grosse and colleagues... [Read more]

Posted by Alison Hawkes on September 8, 2011 No Comments »
Category : Climate Science and Scientists


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